Individual provider Active NPI

Sein Tun, DO

  • Nephrology Physician
  • Los Angeles, CA
National Provider Identifier
1003591835
Registry record updated Jun 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
20A24581 Issued in CA
Practice address
1975 Zonal Ave
Los Angeles, CA 90089-5601
Phone
(323) 442-1900
NPI assigned
Jun 20, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 18, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 20A24581 CA Primary
Internal Medicine Physician 207R00000X SL2024 NV

Addresses

Primary practice location

1975 Zonal Ave
Los Angeles, CA 90089-5601

Mailing address

1975 Zonal Ave
Los Angeles, CA 90089-5601

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231102003011 NV Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 7911353503

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
20A24581CAMDInternal Medicine Physician
SL2024NVMDInternal Medicine Physician

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1687219200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1003591835",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1975 ZONAL AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900895601"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1975 ZONAL AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900895601",
            "telephone_number": "323-442-1900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TUN",
        "first_name": "SEIN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-20",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": "20A24581",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "SL2024",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.